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@ 2014-04-18T16:47:43Z

<?php
$options = array(
    'index1' => 'html',
    'index2' => 'html',
    'index3' => 'slide',
    'index4' => 'tab',
    'index5' => array(123),
);

$lookfor   = array('slide', 'tab');
$found     = array_intersect($options, $lookfor);


print_r($found);

Output
Performance
VLD
References
Branches

array_intersect: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

52.45 ms | 402 KiB | 5 Q